Home > Stainless Steel > Stainless Steel 321 Ball Valve
Nasib Tube Fittings, based in Amman, Jordan, is a leading manufacturer and supplier of high-quality industrial valves and fittings. Their Stainless Steel 321 Ball Valves are engineered for precision, durability, and reliable performance in demanding industrial environments. Known for excellent resistance to high-temperature corrosion and oxidation, these valves provide secure and efficient flow control. Designed to meet international standards, Nasib Tube Fittings ensures that their 321 ball valves deliver long-lasting performance across critical applications, supporting industries such as chemical processing, petrochemical, oil and gas, and power generation with safety, efficiency, and dependability.
Stainless Steel 321 Ball Valves are made from a stabilized austenitic stainless steel alloy containing chromium, nickel, and titanium. This composition enhances resistance to intergranular corrosion and high-temperature oxidation. The valves typically offer a tensile strength of around 515 MPa and a yield strength of approximately 205 MPa. They provide excellent toughness, dimensional stability, and durability under high pressure and temperature. These mechanical properties make the valves highly reliable for long-term industrial use, ensuring safe operation and minimal maintenance even in harsh and demanding environments.
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VALVE SIZE |
1/8″ TO 2″ / 6 MM TO 50 MM |
|
THREAD |
NPT, BSPP, BSPT, JIC, METRIC, UNF |
|
CONNECTION |
THREADED, TUBE END, BUTT WELD, SOCKET WELD, WELD NIPPLE, FLANGED, SAE |
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FUNCTION |
2 WAY, 3 WAY, 4 WAY, 5 WAY, |
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PRESSURE RATING |
1500 PSI, 3000 PSI, 6000 PSI, 10000 PSI, 15000 PSI, 20000 PSI |
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SEAL RING MATERIAL |
PTFE, PVDF, DELRIN, PEEK, GRAPHITE |
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STANDARD |
ISO , DIN , ANSI , API , ASME , AWWA , MSS , |
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MEDIA |
HYDRAULIC OIL, AIR, WATER, GAS, STEAM, HOT WATER , COLD WATER , SEA WATER , CHEMICAL |
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MEDIA TEMPERATURE |
(-120* C TO 500*C )RANGE AS PER PRESSURE |
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BODY TYPE |
BAR STOCK |
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PACKING DETAILS |
BOX PACKING, WOODEN PALLET |
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APPLICATION |
MATERIAL HANDLING EQUIPMENT, EARTH MOVING MACHINERIES , POWER GENERATING PLANT , STEEL MANUFACTURING PLANT , MINING INDUSTRIES , CHEMICAL PROCESSING MACHINES , PIPING LINE , PAINT INDUSTRIES , TRUCKS AND TRAILERS , AUTOMATION , AGRICULTURE MACHINES , AEROSPACE & DEFENCE EQUIPMENTS, |
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Grade |
Mn |
Si |
C |
S |
Ni |
N |
Other |
P |
Cr |
Mo |
||
|
321 |
minimum.
maximum |
2.00 |
0.75 |
–
0.08 |
0.030 |
9.0
12.0 |
0.10 |
Ti=5(C+N)
0.70 |
0.045 |
17.0
19.0 |
– |
|
|
321H |
minimum.
maximum |
2.00 |
0.75 |
0.04
0.10 |
0.030 |
9.0
12.0 |
– |
Ti=4(C+N)
0.70 |
0.045 |
17.0
19.0 |
– |
|
SS Grade | (% in 50mm) Elongation minimum | 0.2% Proof Yield Strength (MPa) minimum | Strength of Tensile (MPa) minimum | Plate Hardness | |
Brinell (HB) maximum | Rockwell B (HR B) maximum | ||||
321 | 40 | 205 | 515 | 217 | 95 |
321H | 40 | 205 | 515 | 217 | 95 |
Grade | British | Euronorm | UNS No. | SS | JIS | |||
European Standards | British Standards | DIN No | Name | |||||
321 | 58B, 58C | 321S31 | 1.4541 | X6CrNiTi18-10 | S32100 | 2337 | SUS 321 | |
321H | – | 321S51 | 1.4878 | X10CrNiTi18-10 | S32109 | – | SUS 321H | |
Contact us to get a quick quote for your requirement.
Stainless Steel 321 Ball Valves are widely used in industries requiring precise flow control under high temperatures and corrosive conditions. They are ideal for chemical and petrochemical plants, oil and gas pipelines, power generation facilities, and high-temperature process systems. These valves are used in critical pipelines, instrumentation systems, and process control applications where leak-free operation and reliability are essential. Their strong construction and resistance to corrosion and oxidation make them a preferred choice for engineers and industries seeking long-lasting, safe, and efficient solutions in challenging industrial environments.
Please feel free to contact us if you need any further information or for enquiry.
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